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Class R 250V Fuseholders - Class R

Approvals & Standards
All fuse blocks meet the requirements of UL 4248
UL listed, guide IZLT, File E52283
UL recognized component guide IZLT2, file E52283
CSA certified class 6225, File 32169

Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate (GFPC) or phenolic with verified dielectric strength in excess of 2500V. 30, 60 and 100A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multipole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tinplated copper, with a choice of spring reinforced or nonspring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.

Mersen Class H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate (GFPC) or phenolic with verified dielectric strength in excess of 2500V. 30, 60 and 100A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multipole segmented blocks of as many poles as desired. All fuse clips are made of high conductivity tinplated copper, with a choice of spring reinforced or nonspring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.

Technical Specifications
Frequency (Hz) 50/60 Hz
Amperage Range 0 to 600 A
Fuse Class Class R
Short Circuit Current Rating (SCCR) 200 kA
Flammability Rating 94 V-0

Reference Finder

Item number Ampere rating Fuse size Fuse Type/Class Number of poles Indication System Product weight
30A - Class R Adder No 0.0454kg
30A - Class R 1-Pole No 0.0635kg
30A - Class R 2-Pole No 0.1089kg
30A - Class R 3-Pole No 0.1542kg
30A - Class R Adder No 0.0454kg
30A - Class R 1-Pole No 0.0635kg
30A - Class R 2-Pole No 0.1089kg
30A - Class R 3-Pole No 0.1542kg
30A - Class R Adder No 0.0454kg
30A - Class R 1-Pole No 0.0635kg
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